catch on
(Informal)
[verb]
Synonyms: understand, comprehend, find out, get the picture, grasp, see, see through, twig (Brit. informal)

[TahlilGaran] English Synonym Dictionary ▲

catch on phrasal verb (see also catch)

1. to become popular and fashionable:
The idea of glasses being a fashion item has been slow to catch on.

2. to begin to understand or realize something
catch on to
It was a long time before the police caught on to what he was really doing.

[TahlilGaran] Dictionary of Contemporary English ▲

catch on
1. to understand something, to learn about something
I was finally able to catch on and understand the math problem.

2. to become popular
Recently ballroom dancing has begun to catch on with many people.

[TahlilGaran] English Idioms Dictionary ▲

catch on
v., informal
1. To understand; learn about.
■ Often used with "to".
You'll catch on to the job after you've been here awhile.
Don't play any tricks on Joe. When he catches on, he will beat you.
2. To become popular; be done or used by many people.
The song caught on and was sung and played everywhere.
3. To be hired; get a job.
The ball player caught on with a big league team last year.

[TahlilGaran] English Idioms Dictionary ▲